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On-line Access: 2023-12-04

Received: 2023-03-23

Revision Accepted: 2023-12-05

Crosschecked: 2023-08-22

Cited: 0

Clicked: 785

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Aidi REN

https://orcid.org/0000-0002-0600-4550

Lixia YANG

https://orcid.org/0000-0002-7943-9846

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Frontiers of Information Technology & Electronic Engineering  2023 Vol.24 No.11 P.1657-1664

http://doi.org/10.1631/FITEE.2300203


A high-isolation coupled-fed building block for metal-rimmed 5G smartphones


Author(s):  Aidi REN, Chengwei YU, Lixia YANG, Wei CUI, Zhixiang HUANG, Ying LIU

Affiliation(s):  Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei 230601, China; more

Corresponding email(s):   renaidi@ahu.edu.cn

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Aidi REN, Chengwei YU, Lixia YANG, Wei CUI, Zhixiang HUANG, Ying LIU. A high-isolation coupled-fed building block for metal-rimmed 5G smartphones[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(11): 1657-1664.

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publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2300203"
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Abstract: 
A dual-antenna building block with high isolation is presented for metal-rimmed fifth-generation (5G) smartphones. A coupled-fed loop antenna and a coupledfed slot antenna based on a simple T-slot etched on the ground plane are meticulously designed to form a compact building block. Notably, although the coupledfed loop antenna and the coupled-fed slot antenna share the same aperture, a desirable isolation of >30 dB is exhibited. Afterward, an 8×8 multiple-input multipleoutput (MIMO) system is achieved by integrating four such dual-antenna building blocks. The measured mutual coupling and envelope correlation coefficients (ECCs) of the presented 8×8 MIMO system are <−18.5 dB and <0.02, respectively.

一种用于5G金属边框智能手机的高隔离度耦合馈电模块

任爱娣1,余成苇1,杨利霞1,崔巍2,黄志祥1,刘英3
1安徽大学信息材料与智能感知安徽省实验室,中国合肥市,230601
2电磁环境效应航空科技重点实验室,中国沈阳市,110000
3西安电子科技大学天线与微波技术重点实验室,中国西安市,710071
摘要:提出一款应用于第五代金属边框智能手机的高隔离度两天线模块。基于一个蚀刻在地板上的T形缝隙,通过合理地设计一个耦合馈电环天线和一个耦合馈电缝隙天线,实现了一款紧凑的两天线模块。尽管耦合馈电环天线和耦合馈电缝隙天线共口径,两者之间的隔离度高于30 dB。随后,通过集成4个两天线模块,实现了一款8×8多入多出系统。该系统实测互耦和包络相关系数分别小于<−18.5 dB和<0.02。

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